MESON Chess Problem Database

Problem Display
PID: 22015 (8/3p4/1N1P1Q2/1PK2b2/5k2/4nB1R/8/8 w - - 0 1)

Simay-Molnar, Aladar

1st Prize, Good Companions, 1923

8/3p4/1N1P1Q2/1PK2b2/5k2/4nB1R/8/8

#2

7 + 4

3310 2345 Chess Problems 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.Sd5#
    • 1...Sf1
      • 2.Sd5#
    • 1...Sc2
      • 2.Sd5#
    • 1...Sg2
      • 2.Sd5#
    • 1...Sc4
      • 2.Sd5#
    • 1...Sg4
      • 2.Sd5#
    • 1...Sd5
      • 2.Sxd5#
  • Tries
    • 1.Kb4?
      • 1...Sd5+
        • 2.Sxd5#
      • 1...Sd1
        • 2.Sd5#
      • 1...Sf1
        • 2.Sd5#
      • 1...Sg2
        • 2.Sd5#
      • 1...Sc4
        • 2.Sd5#
      • 1...Sg4
        • 2.Sd5#
      • 1...Sc2+!
    • 1.Kd4?
      • threat
        • 2.Qh6#
      • 1...Sg4
        • 2.Sd5#
      • 1...Sc2+!
    • 1.Bg4?
      • 1...Ke4
        • 2.Qd4#
      • 1...Kxg4
        • 2.Qh4#
      • 1...Sf1
        • 2.Qxf5#
      • 1...Sd1
        • 2.Qxf5#
      • 1...Sc2
        • 2.Qxf5#
      • 1...Sg2
        • 2.Qxf5#
      • 1...Sc4
        • 2.Qxf5#
      • 1...Sd5
        • 2.Qxf5#
      • 1...Sxg4!
  • Keys
    • 1.Be4!
      • 1...Kxe4
        • 2.Qd4#
      • 1...Kg4
        • 2.Qh4#
      • 1...Sf1
        • 2.Qxf5#
      • 1...Sd1
        • 2.Qxf5#
      • 1...Sc2
        • 2.Qxf5#
      • 1...Sg2
        • 2.Qxf5#
      • 1...Sc4
        • 2.Qxf5#
      • 1...Sg4
        • 2.Qxf5#
      • 1...Sd5
        • 2.Qxf5#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 7
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::S(E)
    • S(a);N_GUARD::S(E),XS(a)
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Vars
        • S(a);CHECK,N_GUARD::S(E),XS(a)
        • S(a);N_GUARD::S(E)
      • Refutation
        • S(a);CHECK
    • Try
      • K(D);S_FLIGHT
      • Threat
        • QAB(G)
      • Vars
        • S(a);N_GUARD::S(E)
      • Refutation
        • S(a);CHECK
    • Try
      • B(A);
      • Vars
        • K(b);N_SPINB(c),P-FLIGHT::QAR1(G)
        • K(b);N_SPINB(c),OGATEB,P-FLIGHT,XB(A)::QAR1(G)
        • S(a);N_GUARD::QAR1(G),XB(c)
      • Refutation
        • S(a);XB(A)
  • Actual
    • B(A);
    • Vars
      • K(b);N_SPINB(c),OGATEB,P-FLIGHT,XB(A)::QAR1(G)
      • K(b);N_SPINB(c),P-FLIGHT::QAR1(G)
      • S(a);N_GUARD::QAR1(G),XB(c)
HTML5 logo

Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).